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<h1>Source code for windows.winobject.volume</h1><div class="highlight"><pre>
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<span></span><span class="kn">import</span> <span class="nn">ctypes</span>
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<span class="kn">import</span> <span class="nn">windows</span>
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<span class="kn">from</span> <span class="nn">windows</span> <span class="kn">import</span> <span class="n">winproxy</span>
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<span class="kn">import</span> <span class="nn">windows.generated_def</span> <span class="k">as</span> <span class="nn">gdef</span>
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<span class="kn">from</span> <span class="nn">windows.generated_def.winstructs</span> <span class="kn">import</span> <span class="o">*</span>
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<span class="kn">from</span> <span class="nn">windows.utils</span> <span class="kn">import</span> <span class="n">AutoHandle</span>
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<span class="kn">import</span> <span class="nn">sys</span>
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<div class="viewcode-block" id="LogicalDrive">
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<a class="viewcode-back" href="../../../volume.html#windows.winobject.volume.LogicalDrive">[docs]</a>
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<span class="k">class</span> <span class="nc">LogicalDrive</span><span class="p">(</span><span class="n">AutoHandle</span><span class="p">):</span>
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<span class="n">DRIVE_TYPE</span> <span class="o">=</span> <span class="n">gdef</span><span class="o">.</span><span class="n">FlagMapper</span><span class="p">(</span><span class="n">DRIVE_UNKNOWN</span><span class="p">,</span> <span class="n">DRIVE_NO_ROOT_DIR</span><span class="p">,</span> <span class="n">DRIVE_REMOVABLE</span><span class="p">,</span>
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<span class="n">DRIVE_FIXED</span><span class="p">,</span> <span class="n">DRIVE_REMOTE</span><span class="p">,</span> <span class="n">DRIVE_CDROM</span><span class="p">,</span> <span class="n">DRIVE_RAMDISK</span><span class="p">)</span>
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<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">name</span>
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<span class="nd">@property</span>
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<span class="k">def</span> <span class="nf">type</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="w"> </span><span class="sd">"""The type of drive, values are:</span>
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<span class="sd"> * DRIVE_UNKNOWN(0x0L)</span>
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<span class="sd"> * DRIVE_NO_ROOT_DIR(0x1L)</span>
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<span class="sd"> * DRIVE_REMOVABLE(0x2L)</span>
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<span class="sd"> * DRIVE_FIXED(0x3L)</span>
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<span class="sd"> * DRIVE_REMOTE(0x4L)</span>
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<span class="sd"> * DRIVE_CDROM(0x5L)</span>
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<span class="sd"> * DRIVE_RAMDISK(0x6L)</span>
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<span class="sd"> :type: :class:`long` or :class:`int` (or subclass)</span>
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<span class="sd"> """</span>
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<span class="n">t</span> <span class="o">=</span> <span class="n">winproxy</span><span class="o">.</span><span class="n">GetDriveTypeW</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">)</span>
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<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">DRIVE_TYPE</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">t</span><span class="p">,</span><span class="n">t</span><span class="p">)</span>
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<span class="nd">@property</span>
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<span class="k">def</span> <span class="nf">path</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="w"> </span><span class="sd">"""The target path of the device</span>
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<span class="sd"> :type: :class:`str`"""</span>
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<span class="c1"># QueryDosDevice can returns multiple path if DefineDosDevice(AW) was used before</span>
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<span class="c1"># Looks like its per-process</span>
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<span class="c1"># But in ths cas the first entry is the effective-one and the others are the previous entries</span>
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<span class="c1"># https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-querydosdevicea</span>
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<span class="c1"># The first null-terminated string stored into the buffer is the current mapping for the device. The other null-terminated strings represent undeleted prior mappings for the device.</span>
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<span class="k">return</span> <span class="n">query_dos_device</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">strip</span><span class="p">(</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">))[</span><span class="mi">0</span><span class="p">]</span>
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<span class="nd">@property</span>
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<span class="k">def</span> <span class="nf">query_dos_device</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="k">return</span> <span class="n">query_dos_device</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">strip</span><span class="p">(</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">))</span>
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<span class="k">def</span> <span class="nf">query_info</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">info</span><span class="p">):</span>
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<span class="k">return</span> <span class="n">windows</span><span class="o">.</span><span class="n">utils</span><span class="o">.</span><span class="n">query_volume_information</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">handle</span><span class="p">,</span> <span class="n">info</span><span class="p">)</span>
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<span class="nd">@property</span>
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<span class="k">def</span> <span class="nf">volume_info</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">query_info</span><span class="p">(</span><span class="n">gdef</span><span class="o">.</span><span class="n">FileFsVolumeInformation</span><span class="p">)</span>
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<span class="nd">@property</span>
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<span class="k">def</span> <span class="nf">serial</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">volume_info</span><span class="o">.</span><span class="n">VolumeSerialNumber</span>
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<span class="k">def</span> <span class="nf">_get_handle</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="n">nt_name</span> <span class="o">=</span> <span class="n">windows</span><span class="o">.</span><span class="n">utils</span><span class="o">.</span><span class="n">dospath_to_ntpath</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">)</span>
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<span class="n">handle</span> <span class="o">=</span> <span class="n">windows</span><span class="o">.</span><span class="n">winproxy</span><span class="o">.</span><span class="n">CreateFileW</span><span class="p">(</span><span class="n">nt_name</span><span class="p">,</span> <span class="n">gdef</span><span class="o">.</span><span class="n">GENERIC_READ</span><span class="p">,</span>
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<span class="n">gdef</span><span class="o">.</span><span class="n">FILE_SHARE_READ</span><span class="p">,</span> <span class="kc">None</span><span class="p">,</span> <span class="n">gdef</span><span class="o">.</span><span class="n">OPEN_EXISTING</span><span class="p">,</span> <span class="n">gdef</span><span class="o">.</span><span class="n">FILE_FLAG_BACKUP_SEMANTICS</span> <span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
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<span class="k">return</span> <span class="n">handle</span>
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<span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="k">return</span> <span class="s2">"""<</span><span class="si">{0}</span><span class="s2"> "</span><span class="si">{1}</span><span class="s2">" (</span><span class="si">{2}</span><span class="s2">)>"""</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="vm">__name__</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">name</span><span class="p">)</span></div>
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<span class="k">def</span> <span class="nf">enum_logical_drive</span><span class="p">():</span>
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<span class="k">return</span> <span class="p">[</span><span class="n">LogicalDrive</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">get_logical_drive_names</span><span class="p">()]</span>
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<span class="k">def</span> <span class="nf">get_logical_drive_names</span><span class="p">():</span>
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<span class="n">size</span> <span class="o">=</span> <span class="mh">0x100</span>
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<span class="n">buffer</span> <span class="o">=</span> <span class="n">ctypes</span><span class="o">.</span><span class="n">create_unicode_buffer</span><span class="p">(</span><span class="n">size</span><span class="p">)</span>
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<span class="n">rsize</span> <span class="o">=</span> <span class="n">winproxy</span><span class="o">.</span><span class="n">GetLogicalDriveStringsW</span><span class="p">(</span><span class="n">size</span><span class="p">,</span> <span class="n">buffer</span><span class="p">)</span>
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<span class="k">return</span> <span class="n">buffer</span><span class="p">[:</span><span class="n">rsize</span><span class="p">]</span><span class="o">.</span><span class="n">rstrip</span><span class="p">(</span><span class="sa">u</span><span class="s2">"</span><span class="se">\x00</span><span class="s2">"</span><span class="p">)</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="sa">u</span><span class="s2">"</span><span class="se">\x00</span><span class="s2">"</span><span class="p">)</span>
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<span class="k">def</span> <span class="nf">get_info</span><span class="p">(</span><span class="n">drivename</span><span class="p">):</span>
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<span class="n">size</span> <span class="o">=</span> <span class="mh">0x1000</span>
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<span class="n">volume_name</span> <span class="o">=</span> <span class="n">ctypes</span><span class="o">.</span><span class="n">create_unicode_buffer</span><span class="p">(</span><span class="n">size</span><span class="p">)</span>
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<span class="n">fs_name</span> <span class="o">=</span> <span class="n">ctypes</span><span class="o">.</span><span class="n">create_unicode_buffer</span><span class="p">(</span><span class="n">size</span><span class="p">)</span>
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<span class="n">flags</span> <span class="o">=</span> <span class="n">DWORD</span><span class="p">()</span>
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<span class="n">winproxy</span><span class="o">.</span><span class="n">GetVolumeInformationW</span><span class="p">(</span><span class="n">drivename</span><span class="p">,</span> <span class="n">volume_name</span><span class="p">,</span> <span class="n">size</span><span class="p">,</span> <span class="kc">None</span><span class="p">,</span> <span class="kc">None</span><span class="p">,</span> <span class="n">ctypes</span><span class="o">.</span><span class="n">byref</span><span class="p">(</span><span class="n">flags</span><span class="p">),</span> <span class="n">fs_name</span><span class="p">,</span> <span class="n">size</span><span class="p">)</span>
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<span class="k">return</span> <span class="n">volume_name</span><span class="p">[:</span><span class="mi">10</span><span class="p">],</span> <span class="n">fs_name</span><span class="p">[:</span><span class="mi">10</span><span class="p">]</span>
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<span class="k">def</span> <span class="nf">query_dos_device</span><span class="p">(</span><span class="n">name</span><span class="p">):</span>
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<span class="n">size</span> <span class="o">=</span> <span class="mh">0x1000</span>
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<span class="n">buffer</span> <span class="o">=</span> <span class="n">ctypes</span><span class="o">.</span><span class="n">create_unicode_buffer</span><span class="p">(</span><span class="n">size</span><span class="p">)</span>
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<span class="n">rsize</span> <span class="o">=</span> <span class="n">winproxy</span><span class="o">.</span><span class="n">QueryDosDeviceW</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">buffer</span><span class="p">,</span> <span class="n">size</span><span class="p">)</span>
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<span class="k">return</span> <span class="n">buffer</span><span class="p">[:</span><span class="n">rsize</span><span class="p">]</span><span class="o">.</span><span class="n">rstrip</span><span class="p">(</span><span class="sa">u</span><span class="s2">"</span><span class="se">\x00</span><span class="s2">"</span><span class="p">)</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="sa">u</span><span class="s2">"</span><span class="se">\x00</span><span class="s2">"</span><span class="p">)</span>
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